News

The mission of the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) is to monitor the volcanoes of Hawai`i, to study the geological...

Although the study of volcanoes is, in itself, fascinating and is more than a full-time job, volcanologists also work closely with researchers in...

In a recent national television program on tsunami, attention was focused on the Great Crack in the southwest rift zone of Kīlauea. The size of the...

Eruption Continues and New Land Frequently Collapses

When lava enters the sea, it begins a struggle to build new land. We name these entries for nearby geographic features—Lae`apuki, Kamoamoa, Kamokuna...

It has been more than 18 years since Mount St. Helens had its powerful eruption, almost 12 years since its latest quiet dome-building eruption, and 8...

Discussions of volcanic air pollution from Kīlauea frequently start out with a conversation about the large amount of sulfur dioxide gas (SO2) that...

This week marks the ninth anniversary since the last large (greater than 6 magnitude) earthquake on the island of Hawaii. At 5:27 p.m. on Saturday...

Four of us HVO lava junkies had the rare opportunity to witness a partial bench collapse on Monday evening, June 8. The collapse began at 7:40 p.m...

Billowing clouds of steam rising from two discrete locations along the Kamokuna-Waha`ula coastline are often the only reminders we have of Kīlauea...